Home / 190,374.62-262,683.59-108,665.55

Finding the Fourth Proportional to 190,374.62, 262,683.59 and 108,665.55

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Solution

The fourth proportional to 190,374.62, 262,683.59 and 108,665.55 is: 149,939.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,374.62 : 262,683.59 = 108,665.55 : x
  2. Step 2: Convert to fraction form
    190,374.62/262,683.59 = 108,665.55/x
  3. Step 3: Cross multiply
    190,374.62x = 262,683.59 × 108,665.55
  4. Step 4: Simplify right side
    190,374.62x = 28,544,656,240.00
  5. Step 5: Solve for x
    x = 28,544,656,240.00/190,374.62
  6. Step 6: Final answer
    x = 149,939.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.